/**
 * About 페이지 전용 스타일
 * page-common.css에서 공통 스타일 상속
 */

/* ========================================
   핵심 가치 섹션
   ======================================== */
.about-values {
    background: linear-gradient(180deg, rgba(10, 15, 25, 0) 0%, rgba(212, 175, 55, 0.03) 100%);
}

/* ========================================
   행동경제학 적용 사례 섹션
   ======================================== */
.about-psychology {
    background: rgba(10, 15, 25, 0.5);
}

.psychology-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

.psychology-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(10, 15, 25, 0.8) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.psychology-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.psychology-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-gold);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.2);
}

.psychology-card:hover::before {
    opacity: 1;
}

.psychology-card__number {
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--accent-gold);
    opacity: 0.3;
    margin-bottom: var(--space-4);
    line-height: 1;
    transition: all var(--transition-base);
}

.psychology-card__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.psychology-card__subtitle {
    font-size: var(--text-sm);
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-6);
}

.psychology-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.psychology-card__item {
    padding-left: var(--space-4);
    border-left: 2px solid rgba(212, 175, 55, 0.2);
}

.psychology-card__item--result {
    border-left-color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.05);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-2);
}

.psychology-card__label {
    display: block;
    font-size: var(--text-sm);
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-2);
}

.psychology-card__item p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

.psychology-card__result {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.psychology-card__result .highlight {
    color: var(--accent-gold);
    font-size: var(--text-xl);
    font-weight: 700;
}

/* ========================================
   회사 정보 섹션
   ======================================== */
.about-info {
    background: rgba(212, 175, 55, 0.03);
}

.company-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto;
}

.company-info__item {
    padding: var(--space-6);
    background: rgba(10, 15, 25, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.company-info__item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-gold);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.company-info__item:hover {
    border-color: var(--accent-gold);
    background: rgba(10, 15, 25, 0.7);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.15);
}

.company-info__item:hover::before {
    opacity: 1;
}

.company-info__label {
    display: block;
    font-size: var(--text-sm);
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-3);
    font-weight: 600;
}

.company-info__value {
    font-size: var(--text-lg);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

/* 복사 버튼 */
/* 클릭하여 복사 가능한 텍스트 */
.copyable-text {
    position: relative;
    color: var(--accent-gold);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding-bottom: 2px;
    border-bottom: 1px dashed rgba(212, 175, 55, 0.4);
    display: inline-block;
}

.copyable-text:hover {
    color: var(--accent-gold-light);
    border-bottom-color: var(--accent-gold);
    transform: translateY(-1px);
}

.copyable-text:active {
    transform: translateY(0);
}

.copyable-text.copied {
    color: var(--color-success);
    border-bottom-color: var(--color-success);
}

.copyable-text.copied::after {
    content: '복사됨!';
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    background: var(--color-success);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    white-space: nowrap;
    pointer-events: none;
    animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
    0%, 100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-4px);
    }
    10%, 90% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ========================================
   CTA 섹션
   ======================================== */
.about-cta {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(10, 15, 25, 0) 100%);
}

/* ========================================
   반응형 - Tablet (1024px 이하)
   ======================================== */
@media (max-width: 1024px) {
    .psychology-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .psychology-card {
        padding: var(--space-6);
    }

    .psychology-card__number {
        font-size: var(--text-4xl);
    }

    .psychology-card__title {
        font-size: var(--text-xl);
    }

    .company-info {
        gap: var(--space-6);
    }
}

/* ========================================
   반응형 - Mobile (768px 이하)
   ======================================== */
@media (max-width: 768px) {
    .psychology-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .psychology-card {
        padding: var(--space-6);
    }

    .company-info {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .company-info__item {
        padding: var(--space-5);
    }

    .company-info__value {
        font-size: var(--text-base);
    }

    .copy-btn {
        width: 100%;
        margin-top: var(--space-2);
    }
}

/* ========================================
   반응형 - Small Mobile (480px 이하)
   ======================================== */
@media (max-width: 480px) {
    .psychology-card {
        padding: var(--space-5);
    }

    .psychology-card__number {
        font-size: var(--text-3xl);
    }

    .psychology-card__title {
        font-size: var(--text-lg);
    }

    .psychology-card__subtitle {
        font-size: var(--text-xs);
    }

    .psychology-card__item p {
        font-size: var(--text-sm);
    }

    .psychology-card__result {
        font-size: var(--text-base);
    }

    .psychology-card__result .highlight {
        font-size: var(--text-lg);
    }

    .company-info__item {
        padding: var(--space-4);
    }

    .company-info__label {
        font-size: var(--text-xs);
    }

    .company-info__value {
        font-size: var(--text-sm);
    }
}